helioscope

[ hee-lee-uh-skohp ]

noun
  1. a telescope for viewing the sun, adapted to protect the eye of the viewer from the sun's glare.

Origin of helioscope

1
First recorded in 1665–75; helio- + -scope

Other words from helioscope

  • he·li·o·scop·ic [hee-lee-uh-skop-ik], /ˌhi li əˈskɒp ɪk/, adjective
  • he·li·os·co·py [hee-lee-os-kuh-pee], /ˌhi liˈɒs kə pi/, noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024